Do they do returns?

I've never had a problem returning an item even with no receipt they will give you store credit- gift card

With a reciept you will get money back. Without receipt you will get a Walmart gift card

Yes, just take your receipt, either electronic or paper.

Yes they do.

Yes they are great very friendly and courteous

Yes

I went there as a pass through. But I have always kept my receipts in a plastic lunch bag so that's how you can do business with a large company. Have a great 4th.